Audio Processing Sub-Modules
Optional Audio Processing for Densité Cards
Grass Valley offers additional audio processing power through the use of optional sub-modules that mount on compatible cards. Dolby Digital (AC-3) and Dolby E encoding/decoding, automatic loudness control (ALC) and upmixing can be added for optimal integration of system components while reducing both power and rack space. These audio processors can be easily installed after initial commissioning, reducing initial roll-out costs. Compatible products can host up to two expansion sub-modules adding complex audio processing functions to existing capabilities.
FEATURES
All sub-modules
- Interchangeable modules for maximum flexibility and easy maintenance
- Reduces hosting card complexity and cost
- Up to 2 advanced audio functions per sub-module
- Up to 2 sub-modules per card (XVP-3901 series)
- Can be added later to minimize initial roll-out costs
- High-density: minimizes space and power requirements
Dolby processing sub-modules
- Agile decoding of both Dolby Digital and Dolby E bitstreams
- PCM automatic pass-through on decoder
- Power and space efficient compared to "pizza box" designs
- Dolby metadata handling and restitution (Dolby E decoding)
- Encoding of up to 8 channels of PCM audio on up to 8 different programs (Dolby E)
- Dolby certified operation
Automatic Loudness Control sub-modules
- Automatic loudness control option for Densité interfaces smoothes out irritating loudness level differences between program segments, and between different channels
- High quality processing prevents adverse effects to program content
- Three different processing variants allow selection to best match a facility's content and workflow
- Multiband or wideband processing
- Up to 16 audio channels processing capacity
- Multiprogram support using mono, stereo, 5.1 or 7.1 audio
- "Set and forget" mode with setting of output target loudness per program
- Actively managed processing modes, with playout automation driving a bypass mode or different profiles
- Loudness monitoring according to ITU-R BS.1770
- Upmixing can be combined with ALC for optimal integration (Linear Acoustic and ALC variants)
- Manual remote control by GV Orbit, iControl, or iControl Solo PC GUI
SPECIFICATIONS
(All Dolby modules are Dolby Laboratories certified)
All modules
Dimensions: 116 x 51 mm (4.55 x 2 in.)
Edge connector: As per Jedec MO-116 SIMM (72 pins)
Weight: ~0.125 kg (0.25 lbs.)
Dolby E Encoder characteristics
Audio coding algorithm: Proprietary Dolby E
Video frame rates: 29.97 fps, 25 fps, 23.98 fps, 24 fps, 30 fps
Output bitstream: As per Dolby E specification
Encode capacity:
- Up to 8 channels of audio
- Up to 8 programs
Bit depth: 16, 20 or 24 bits
Encoding latency: 1 video frame
Dolby Digital Encoder characteristics
Audio coding algorithm: Dolby Digital
Output bitstream: ETSI TS 102 366, ATSC A/52b
Encode capacity: Up to 6 channels of audio
Encoding latency: 187 ms
Dolby Decoder characteristics
Decoding capabilities: Dolby Digital or Dolby E
Input bitstream: ETSI TS 102 366, ATSC A/52b or Dolby E
Decode capacity:
- Up to 8 channels of audio (Dolby E)
- Up to 8 programs (Dolby E)
Decoding latency:
- Dolby E: 1 video frame
- Dolby Digital: 32 ms
MEDIA GALLERY
ORDERING INFORMATION
| Product Compatibility | |||||||
| Expansion modules | Description | ADX-3981 | AMX-3981 | EAP-3101 | FRS-3901 | EAP-3901 | XVP-3901 series |
| (1 slot) | (1 slot) | (1 slot) | (1 slot) | (1 slot) | (2 slots) | ||
| MOD-DOLBY-DEC-2 | Dolby E and Digital (AC-3) decoder | Yes | Yes | Yes | Yes | Yes | Yes |
| MOD-DOLBY-ENC-E-2 | Dolby E encoder | Yes | Yes | Yes | Yes | Yes | Yes |
| MOD-DOLBY-ENC-D-2 | Dolby Digital (AC-3) encoder | Yes | Yes | Yes | Yes | Yes | Yes |
| MOD-LA-DUP-701 | Upmixing using Linear Acoustic Technology UpMAX | Yes | Yes | Yes | Yes | Yes | Yes |
| MOD-LA-ALC-2 | 2 channel ALC licensed by Linear Acoustic | Yes | Yes | Yes | Yes | Yes | Yes |
| MOD-LA-ALC-6 | 6 channel ALC licensed by Linear Acoustic | Yes | Yes | Yes | Yes | Yes | Yes |
| MOD-LA-ALC-8 | 8 channel ALC licensed by Linear Acoustic | Yes | Yes | Yes | Yes | Yes | Yes |
| MOD-LA-ALC-2-DUP | 2 channel ALC and upmix licensed by Linear Acoustic | Yes | Yes | Yes | Yes | Yes | Yes |
| MOD-LA-ALC-6-DUP | 6 channel ALC and upmix licensed by Linear Acoustic | Yes | Yes | Yes | Yes | Yes | Yes |
| MOD-LA-ALC-8-DUP | 8 channel ALC and upmix licensed by Linear Acoustic | Yes | Yes | Yes | Yes | Yes | Yes |
